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<a name="ROBODoc2fH5FDMPIO"></a>
<a name="robo41"></a><h2>H5FDMPIO</h2>

<p>[ <a href="#robo_top_of_doc">Top</a> ] [ <a href="../robo_modules.html#robo_top_of_doc">Modules</a> ]</p>
<p class="item_name">NAME</p>
<pre>  MODULE <strong>H5FDMPIO</strong>
</pre>
<p class="item_name">PURPOSE</p>
<pre>  This file contains Fortran interfaces for H5P functions needed by
  parallel MPI programs.
</pre>
<p class="item_name">NOTES</p>
<pre>                         *** IMPORTANT ***
  If you add a new H5P function you must add the function name to the
  Windows dll file 'hdf5_fortrandll.def' in the fortran/src directory.
  This is needed for Windows based operating systems.
</pre>

<hr />
<a name="H5FDMPIO2fh5pget5fdxpl5fmpio5ff"></a>
<a name="robo231"></a><h2>h5pget_dxpl_mpio_f</h2>

<p>[ <a href="#robo_top_of_doc">Top</a> ] [ <a href="#robo41">H5FDMPIO</a> ] [ <a href="../robo_subroutines.html#robo_top_of_doc">Subroutines</a> ]</p>
<p class="item_name">NAME</p>
<pre>  <strong>h5pget_dxpl_mpio_f</strong>
</pre>
<p class="item_name">PURPOSE</p>
<pre>  Returns the data transfer mode.
</pre>
<p class="item_name">INPUTS</p>
<pre>  prp_id        - data transfer property list identifier
</pre>
<p class="item_name">OUTPUTS</p>
<pre>  data_xfer_mode- transfer mode; possible values are:
                     H5FD_MPIO_INDEPENDENT_F
                     H5FD_MPIO_COLLECTIVE_F
  hdferr        - Returns 0 if successful and -1 if fails
</pre>
<p class="item_name">AUTHOR</p>
<pre>  Elena Pourmal
  November, 2000
</pre>
<p class="item_name">SOURCE</p>
<pre class="source">  SUBROUTINE <strong>h5pget_dxpl_mpio_f</strong><span class="sign">(</span>prp_id<span class="sign">,</span> data_xfer_mode<span class="sign">,</span> hdferr<span class="sign">)</span>
    IMPLICIT NONE
    INTEGER<span class="sign">(</span>HID_T<span class="sign">)</span><span class="sign">,</span> INTENT<span class="sign">(</span>IN<span class="sign">)</span> <span class="sign">:</span><span class="sign">:</span> prp_id   <span class="sign">!</span> Property list identifier
    INTEGER<span class="sign">,</span> INTENT<span class="sign">(</span>OUT<span class="sign">)</span> <span class="sign">:</span><span class="sign">:</span> data_xfer_mode <span class="sign">!</span> Data transfer mode<span class="sign">.</span> Possible values are<span class="sign">:</span>
                                           <span class="sign">!</span> H5FD_MPIO_INDEPENDENT_F
                                           <span class="sign">!</span> H5FD_MPIO_COLLECTIVE_F
    INTEGER<span class="sign">,</span> INTENT<span class="sign">(</span>OUT<span class="sign">)</span> <span class="sign">:</span><span class="sign">:</span> hdferr         <span class="sign">!</span> Error code
</pre>

<hr />
<a name="H5FDMPIO2fh5pget5ffapl5fmpio5ff"></a>
<a name="robo239"></a><h2>h5pget_fapl_mpio_f</h2>

<p>[ <a href="#robo_top_of_doc">Top</a> ] [ <a href="#robo41">H5FDMPIO</a> ] [ <a href="../robo_subroutines.html#robo_top_of_doc">Subroutines</a> ]</p>
<p class="item_name">NAME</p>
<pre>  <strong>h5pget_fapl_mpio_f</strong>
</pre>
<p class="item_name">PURPOSE</p>
<pre>  Returns MPI communicator information.
</pre>
<p class="item_name">INPUTS</p>
<pre>  prp_id        - file access property list identifier
</pre>
<p class="item_name">OUTPUTS</p>
<pre>  comm          - MPI-2 communicator
  info          - MPI-2 info object
  hdferr        - Returns 0 if successful and -1 if fails
</pre>
<p class="item_name">AUTHOR</p>
<pre>  Elena Pourmal
  November, 2000
</pre>
<p class="item_name">SOURCE</p>
<pre class="source">  SUBROUTINE <strong>h5pget_fapl_mpio_f</strong><span class="sign">(</span>prp_id<span class="sign">,</span> comm<span class="sign">,</span> info<span class="sign">,</span> hdferr<span class="sign">)</span>
    IMPLICIT NONE
    INTEGER<span class="sign">(</span>HID_T<span class="sign">)</span><span class="sign">,</span> INTENT<span class="sign">(</span>IN<span class="sign">)</span> <span class="sign">:</span><span class="sign">:</span> prp_id <span class="sign">!</span> Property list identifier
    INTEGER<span class="sign">,</span> INTENT<span class="sign">(</span>OUT<span class="sign">)</span> <span class="sign">:</span><span class="sign">:</span> comm <span class="sign">!</span> buffer to <span class="keyword">return</span> communicator
    INTEGER<span class="sign">,</span> INTENT<span class="sign">(</span>OUT<span class="sign">)</span> <span class="sign">:</span><span class="sign">:</span> info <span class="sign">!</span> buffer to <span class="keyword">return</span> info object
                                 <span class="sign">!</span> as defined in MPI_FILE_OPEN of MPI<span class="sign">-</span>2
    INTEGER<span class="sign">,</span> INTENT<span class="sign">(</span>OUT<span class="sign">)</span> <span class="sign">:</span><span class="sign">:</span> hdferr  <span class="sign">!</span> Error code
</pre>

<hr />
<a name="H5FDMPIO2fh5pget5ffapl5fmpiposix5ff"></a>
<a name="robo240"></a><h2>h5pget_fapl_mpiposix_f</h2>

<p>[ <a href="#robo_top_of_doc">Top</a> ] [ <a href="#robo41">H5FDMPIO</a> ] [ <a href="../robo_subroutines.html#robo_top_of_doc">Subroutines</a> ]</p>
<p class="item_name">NAME</p>
<pre>  <strong>h5pget_fapl_mpiposix_f</strong>
</pre>
<p class="item_name">PURPOSE</p>
<pre>  Returns MPI communicator information.
</pre>
<p class="item_name">INPUTS</p>
<pre>  prp_id        - file access property list identifier
</pre>
<p class="item_name">OUTPUTS</p>
<pre>  comm          - MPI-2 communicator
  use_gpfs      - flag to use GPFS hints
  hdferr        - Returns 0 if successful and -1 if fails
</pre>
<p class="item_name">AUTHOR</p>
<pre>  Elena Pourmal
  May 6, 2003
</pre>
<p class="item_name">SOURCE</p>
<pre class="source">  SUBROUTINE <strong>h5pget_fapl_mpiposix_f</strong><span class="sign">(</span>prp_id<span class="sign">,</span> comm<span class="sign">,</span> use_gpfs<span class="sign">,</span> hdferr<span class="sign">)</span>
    IMPLICIT NONE
    INTEGER<span class="sign">(</span>HID_T<span class="sign">)</span><span class="sign">,</span> INTENT<span class="sign">(</span>IN<span class="sign">)</span> <span class="sign">:</span><span class="sign">:</span> prp_id <span class="sign">!</span> Property list identifier
    INTEGER<span class="sign">,</span> INTENT<span class="sign">(</span>OUT<span class="sign">)</span> <span class="sign">:</span><span class="sign">:</span> comm         <span class="sign">!</span> Buffer to <span class="keyword">return</span> communicator
    LOGICAL<span class="sign">,</span> INTENT<span class="sign">(</span>OUT<span class="sign">)</span> <span class="sign">:</span><span class="sign">:</span> use_gpfs
    INTEGER<span class="sign">,</span> INTENT<span class="sign">(</span>OUT<span class="sign">)</span> <span class="sign">:</span><span class="sign">:</span> hdferr       <span class="sign">!</span> Error code
</pre>

<hr />
<a name="H5FDMPIO2fh5pset5fdxpl5fmpio5ff"></a>
<a name="robo314"></a><h2>h5pset_dxpl_mpio_f</h2>

<p>[ <a href="#robo_top_of_doc">Top</a> ] [ <a href="#robo41">H5FDMPIO</a> ] [ <a href="../robo_subroutines.html#robo_top_of_doc">Subroutines</a> ]</p>
<p class="item_name">NAME</p>
<pre>  <strong>h5pset_dxpl_mpio_f</strong>
</pre>
<p class="item_name">PURPOSE</p>
<pre>  Sets data transfer mode.
</pre>
<p class="item_name">INPUTS</p>
<pre>  prp_id         - data transfer property list identifier
  data_xfer_mode - transfer mode; possible values are:
                     H5FD_MPIO_INDEPENDENT_F
                     H5FD_MPIO_COLLECTIVE_F
</pre>
<p class="item_name">OUTPUTS</p>
<pre>  hdferr        - Returns 0 if successful and -1 if fails
</pre>
<p class="item_name">AUTHOR</p>
<pre>  Elena Pourmal
  November, 2000
</pre>
<p class="item_name">SOURCE</p>
<pre class="source">  SUBROUTINE <strong>h5pset_dxpl_mpio_f</strong><span class="sign">(</span>prp_id<span class="sign">,</span> data_xfer_mode<span class="sign">,</span> hdferr<span class="sign">)</span>
    IMPLICIT NONE
    INTEGER<span class="sign">(</span>HID_T<span class="sign">)</span><span class="sign">,</span> INTENT<span class="sign">(</span>IN<span class="sign">)</span> <span class="sign">:</span><span class="sign">:</span> prp_id  <span class="sign">!</span> Property list identifier
    INTEGER<span class="sign">,</span> INTENT<span class="sign">(</span>IN<span class="sign">)</span> <span class="sign">:</span><span class="sign">:</span> data_xfer_mode <span class="sign">!</span> Data transfer mode<span class="sign">.</span> Possible values are<span class="sign">:</span>
                                          <span class="sign">!</span> H5FD_MPIO_INDEPENDENT_F
                                          <span class="sign">!</span> H5FD_MPIO_COLLECTIVE_F
    INTEGER<span class="sign">,</span> INTENT<span class="sign">(</span>OUT<span class="sign">)</span> <span class="sign">:</span><span class="sign">:</span> hdferr        <span class="sign">!</span> Error code
</pre>

<hr />
<a name="H5FDMPIO2fh5pset5ffapl5fmpio5ff"></a>
<a name="robo320"></a><h2>h5pset_fapl_mpio_f</h2>

<p>[ <a href="#robo_top_of_doc">Top</a> ] [ <a href="#robo41">H5FDMPIO</a> ] [ <a href="../robo_subroutines.html#robo_top_of_doc">Subroutines</a> ]</p>
<p class="item_name">NAME</p>
<pre>  <strong>h5pset_fapl_mpio_f</strong>
</pre>
<p class="item_name">PURPOSE</p>
<pre>  Stores MPI IO communicator information to the file
  access property list.
</pre>
<p class="item_name">INPUTS</p>
<pre>  prp_id        - file access property list identifier
  comm          - MPI-2 communicator
  info          - MPI-2 info object
</pre>
<p class="item_name">OUTPUTS</p>
<pre>  hdferr        - Returns 0 if successful and -1 if fails
</pre>
<p class="item_name">AUTHOR</p>
<pre>  Elena Pourmal
  November, 2000
</pre>
<p class="item_name">SOURCE</p>
<pre class="source">  SUBROUTINE <strong>h5pset_fapl_mpio_f</strong><span class="sign">(</span>prp_id<span class="sign">,</span> comm<span class="sign">,</span> info<span class="sign">,</span> hdferr<span class="sign">)</span>
    IMPLICIT NONE
    INTEGER<span class="sign">(</span>HID_T<span class="sign">)</span><span class="sign">,</span> INTENT<span class="sign">(</span>IN<span class="sign">)</span> <span class="sign">:</span><span class="sign">:</span> prp_id <span class="sign">!</span> Property list identifier
    INTEGER<span class="sign">,</span> INTENT<span class="sign">(</span>IN<span class="sign">)</span> <span class="sign">:</span><span class="sign">:</span> comm <span class="sign">!</span> MPI communicator to be used <span class="keyword">for</span> file open
                                <span class="sign">!</span> as defined in MPI_FILE_OPEN of MPI<span class="sign">-</span>2
    INTEGER<span class="sign">,</span> INTENT<span class="sign">(</span>IN<span class="sign">)</span> <span class="sign">:</span><span class="sign">:</span> info <span class="sign">!</span> MPI info object to be used <span class="keyword">for</span> file open
                                <span class="sign">!</span> as defined in MPI_FILE_OPEN of MPI<span class="sign">-</span>2
    INTEGER<span class="sign">,</span> INTENT<span class="sign">(</span>OUT<span class="sign">)</span> <span class="sign">:</span><span class="sign">:</span> hdferr <span class="sign">!</span> Error code
</pre>

<hr />
<a name="H5FDMPIO2fh5pset5ffapl5fmpiposix5ff"></a>
<a name="robo321"></a><h2>h5pset_fapl_mpiposix_f</h2>

<p>[ <a href="#robo_top_of_doc">Top</a> ] [ <a href="#robo41">H5FDMPIO</a> ] [ <a href="../robo_subroutines.html#robo_top_of_doc">Subroutines</a> ]</p>
<p class="item_name">NAME</p>
<pre>  <strong>h5pset_fapl_mpiposix_f</strong>
</pre>
<p class="item_name">PURPOSE</p>
<pre>  Stores MPI IO communicator information to the file
  access property list.
</pre>
<p class="item_name">INPUTS</p>
<pre>  prp_id        - file access property list identifier
  comm          - MPI-2 communicator
  use_gpfs      - logical flag to use the GPFS hints
</pre>
<p class="item_name">OUTPUTS</p>
<pre>  hdferr        - Returns 0 if successful and -1 if fails
</pre>
<p class="item_name">AUTHOR</p>
<pre>  Elena Pourmal
  May 6, 2003
</pre>
<p class="item_name">SOURCE</p>
<pre class="source">  SUBROUTINE <strong>h5pset_fapl_mpiposix_f</strong><span class="sign">(</span>prp_id<span class="sign">,</span> comm<span class="sign">,</span> use_gpfs<span class="sign">,</span> hdferr<span class="sign">)</span>
    IMPLICIT NONE
    INTEGER<span class="sign">(</span>HID_T<span class="sign">)</span><span class="sign">,</span> INTENT<span class="sign">(</span>IN<span class="sign">)</span> <span class="sign">:</span><span class="sign">:</span> prp_id <span class="sign">!</span> Property list identifier
    INTEGER<span class="sign">,</span> INTENT<span class="sign">(</span>IN<span class="sign">)</span> <span class="sign">:</span><span class="sign">:</span> comm <span class="sign">!</span> MPI communicator to be used <span class="keyword">for</span> file open
                                <span class="sign">!</span> as defined in MPI_FILE_OPEN of MPI<span class="sign">-</span>2
    LOGICAL<span class="sign">,</span> INTENT<span class="sign">(</span>IN<span class="sign">)</span> <span class="sign">:</span><span class="sign">:</span> use_gpfs
    INTEGER<span class="sign">,</span> INTENT<span class="sign">(</span>OUT<span class="sign">)</span> <span class="sign">:</span><span class="sign">:</span> hdferr  <span class="sign">!</span> Error code
</pre>

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